lance armstrong's 11th hour decision to testify under oath in his doping scandal. >> his last-minute move last night and the multimillion dollar lawsuit he faces today. it's thursday, february 7th. >> from abc news, this is "world news now." >> good morning, everybody. i'm rob nelson. >> and i'm diana perez. we'll hear all about the last-minute legal maneuvers and what it means for lance armstrong in our top story. this is something we were definitely not expecting. >> no. he's had a remarkable last few weeks. first the big admission with oprah. and now apparently he was petrified when news broke this could turn criminal. now a very different change in tune for mr. armstrong. >> so we'll delve into that. >>> also this morning, the worst winter storm in years is about to threaten major airline hubs and millions of people, from chicago to the northeast. accuweather is tracking all of it. >> it is wintertime, folks. here we go. you and i share a strong loathing of cold weather. i know you're a new york girl. >> quite a disdain for it. not a fan of the cold. and not a fan of people who l